// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_HTTP_HTTP_NETWORK_LAYER_H_
#define NET_HTTP_HTTP_NETWORK_LAYER_H_

#include <memory>
#include <string>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/power_monitor/power_observer.h"
#include "base/threading/non_thread_safe.h"
#include "net/base/net_export.h"
#include "net/http/http_transaction_factory.h"

namespace net {

class HttpNetworkSession;

class NET_EXPORT HttpNetworkLayer
    : public HttpTransactionFactory,
      public base::PowerObserver,
      NON_EXPORTED_BASE(public base::NonThreadSafe) {
public:
    // Construct a HttpNetworkLayer with an existing HttpNetworkSession which
    // contains a valid ProxyService. The HttpNetworkLayer must be destroyed
    // before |session|.
    explicit HttpNetworkLayer(HttpNetworkSession* session);
    ~HttpNetworkLayer() override;

    // HttpTransactionFactory methods:
    int CreateTransaction(RequestPriority priority,
        std::unique_ptr<HttpTransaction>* trans) override;
    HttpCache* GetCache() override;
    HttpNetworkSession* GetSession() override;

    // base::PowerObserver methods:
    void OnSuspend() override;
    void OnResume() override;

private:
    HttpNetworkSession* const session_;
    bool suspended_;

    DISALLOW_COPY_AND_ASSIGN(HttpNetworkLayer);
};

} // namespace net

#endif // NET_HTTP_HTTP_NETWORK_LAYER_H_
